• Porcelain Line Post Insulator Manufacturers, Porcelain Line Post Insulator Factory, Supply Porcelain Line Post Insulator
  • Porcelain Line Post Insulator Manufacturers, Porcelain Line Post Insulator Factory, Supply Porcelain Line Post Insulator
  • Porcelain Line Post Insulator Manufacturers, Porcelain Line Post Insulator Factory, Supply Porcelain Line Post Insulator
  • Porcelain Line Post Insulator Manufacturers, Porcelain Line Post Insulator Factory, Supply Porcelain Line Post Insulator
  • Porcelain Line Post Insulator Manufacturers, Porcelain Line Post Insulator Factory, Supply Porcelain Line Post Insulator

Porcelain Line Post Insulator

Brand :RUILY

Product origin :CHINA

Supply capacity :10,000 PCS /month

Anti-pollution line post insultors are used to support and insulate conductors on the overhead high-voltage transmission line in polluted areas .It with big diameter, large creepage distance ,great self -clean function and strong resistance to pollution ,specially serving in droughty ,rainless and windy areas .


Main Particulars and Dimensions:

Type

57-1

57-2

57-3

57-4

57-5

57-6

Figure NO.

1

2

3

4

5

6

Creepage Distance mm

356

559

737

1016

1143

6

Dry Arcing Distance mm

165

241

311

368

438

1364

Cantilever Strength KN

12.5

12.5

12.5

12.5

12.5

489

Power Frequency Flashover Voltage

DRY KV

70

100

125

140

160

12.5

Wet kv

50

70

95

110

130

180

Critical Impulse Flashover Voltage

Positive KV

120

160

200

230

265

150

Negative KV

155

205

260

340

380

300

Radio-influence-voltage Data

Test Voltage to ground

15

22

30

44

44

44

Max.RIV at 1MHz

100

100

200

200

200

200

Net weight kg

5.2

9.0

11.0

18

18

20.5

Applicable standard

ANSI


 Main Particulars and Dimensions:


Type

57-11

57-12

57-13

57-14

57-15

57-16

Figure NO.

1

2

3

4

5

6

Creepage Distance mm

356

559

737

1016

1143

1364

Dry Arcing Distance mm

165

241

311

368

438

489

Cantilever Strength KN

12.5

12.5

12.5

12.5

12.5

12.5

Power Frequency Flashover Voltage

DRY KV

70

100

125

140

160

180

Wet kv

50

70

95

110

130

140

Critical Impulse Flashover Voltage

Positive KV

120

160

200

230

265

300

Negative KV

155

205

260

340

380

390

Radio-influence-voltage Data

Test Voltage to ground

15

22

30

44

44

44

Max.RIV at 1MHz

100

100

200

200

200

200

Net weight kg

6.8

10

11.8

15.9

18.6


Applicable standard

ANSI



Type

57-21

57-22

57-23

57-24

57-25

57-26

Figure NO.

1

2

3

4

5

6

Creepage Distance mm

356

559

737

1016

1143

1364

Dry Arcing Distance mm

165

241

311

368

438

489

Cantilever Strength KN

12.5

12.5

12.5

12.5

12.5

12.5

Power Frequency Flashover Voltage

DRY KV

70

100

125

140

160

180


Wet kv

50

70

95

110

130

140

Critical Impulse Flashover Voltage

Positive KV

120

160

200

230

265

300


Negative KV

155

205

260

340

380

390

Radio-influence-voltage Data

Test Voltage to ground

15

22

30

44

44

44


Max.RIV at 1MHz

100

100

200

200

200

200

Net weight kg

6.8

10

11.8

15.9

18.6


Applicable standard

ANSI



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